[INFO] fetching crate graph_symmetry 0.1.1...
[INFO] checking graph_symmetry-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate graph_symmetry 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate graph_symmetry 0.1.1
[INFO] finished tweaking crates.io crate graph_symmetry 0.1.1
[INFO] tweaked toml for crates.io crate graph_symmetry 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph_symmetry 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e49470a223dccb157f2439f0621344358ed1bcd3d168bceef07098634c454265
[INFO] running `Command { std: "docker" "start" "-a" "e49470a223dccb157f2439f0621344358ed1bcd3d168bceef07098634c454265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e49470a223dccb157f2439f0621344358ed1bcd3d168bceef07098634c454265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49470a223dccb157f2439f0621344358ed1bcd3d168bceef07098634c454265", kill_on_drop: false }`
[INFO] [stdout] e49470a223dccb157f2439f0621344358ed1bcd3d168bceef07098634c454265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef5172e6dcd9e06a3740bcd4294815d92fa5fec9df0a42eeab6fa1b8ea23253
[INFO] running `Command { std: "docker" "start" "-a" "cef5172e6dcd9e06a3740bcd4294815d92fa5fec9df0a42eeab6fa1b8ea23253", kill_on_drop: false }`
[INFO] [stderr]     Checking purr v0.9.0
[INFO] [stderr]     Checking chem v0.0.2
[INFO] [stderr]     Checking graph_symmetry v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ext/molecule/element.rs:159:67
[INFO] [stdout]     |
[INFO] [stdout] 159 |             purr::feature::BracketSymbol::Element(ele) => Some(ele.clone()),
[INFO] [stdout]     |                                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `purr::feature::Element` does not implement `Clone`, so calling `clone` on `&purr::feature::Element` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 159 -             purr::feature::BracketSymbol::Element(ele) => Some(ele.clone()),
[INFO] [stdout] 159 +             purr::feature::BracketSymbol::Element(ele) => Some(ele),
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `purr::feature::Element`, implement `Clone` for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/purr-0.9.0/src/feature/element.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout]   5 + #[derive(Clone)]
[INFO] [stdout]   6 | pub enum Element {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ext/molecule/element.rs:159:67
[INFO] [stdout]     |
[INFO] [stdout] 159 |             purr::feature::BracketSymbol::Element(ele) => Some(ele.clone()),
[INFO] [stdout]     |                                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `purr::feature::Element` does not implement `Clone`, so calling `clone` on `&purr::feature::Element` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 159 -             purr::feature::BracketSymbol::Element(ele) => Some(ele.clone()),
[INFO] [stdout] 159 +             purr::feature::BracketSymbol::Element(ele) => Some(ele),
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `purr::feature::Element`, implement `Clone` for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/purr-0.9.0/src/feature/element.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout]   5 + #[derive(Clone)]
[INFO] [stdout]   6 | pub enum Element {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "cef5172e6dcd9e06a3740bcd4294815d92fa5fec9df0a42eeab6fa1b8ea23253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef5172e6dcd9e06a3740bcd4294815d92fa5fec9df0a42eeab6fa1b8ea23253", kill_on_drop: false }`
[INFO] [stdout] cef5172e6dcd9e06a3740bcd4294815d92fa5fec9df0a42eeab6fa1b8ea23253